9 Maintenance
100_0202_mt_0011.fm 50
9.4.7 Check exciter oil level and top up exciter oil
Check exciter oil level
1. Open rear protective hood.
2. To protect the floor from leaking oil, cover the working surface with an impermeable foil.
3. Remove dirt accumulation in the area of the screw plug.
4. Unscrew screw plug of the oil drain opening and remove together with the seal ring.
5. Check whether the level of exciter oil reaches the lower thread of the tapped bore.
Top up exciter oil
1. Unscrew screw plug of the oil filler opening and remove together with the seal ring.
2. Top up exciter up oil with a clean funnel at the oil filler opening until the exciter oil reaches the lower
thread of the oil drain opening – for oil specification, see Technical Data chapter.
3. Replace screw plug of the oil drain opening along with a new seal ring and tighten (torque setting of
100 Nm).
4. Replace screw plug of the oil filler opening along with a new seal ring and tighten (torque setting of
100 Nm).
5. Wipe away any spilled oil.
Item Designation Item Designation
1 Screw plug with seal ring of the oil filler
opening
3 Level of exciter oil
2 Screw plug with seal ring of the oil drain
opening
NOTE
The machine has two exciters. Therefore, the level of exciter oil level must always be
checked for both exciters.
WARNING
Hot exciter oil can leak out and cause injury from scalding.
Do not open the screw plug of the exciter while the exciter oil is still hot.
Let the machine cool.
NOTE
Dispose of oil in accordance with the applicable provisions for environmental protection.
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